Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

NPA: 870 [Rate centres in NPA 870] [Dial plan for NPA 870]

NXX: 568

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
870-568 A Arkadelphia AR LTRKARWTBMD  5179 LEVEL 3 COMMUNICATIONS, LLC - AR 528      
870-568 0 Arkadelphia AR   5179 LEVEL 3 COMMUNICATIONS, LLC - AR 528      
870-568 1 Arkadelphia AR   348F ONVOY, LLC - AR 528   2016-03-10   
870-568 2 Arkadelphia AR   5179 LEVEL 3 COMMUNICATIONS, LLC - AR 528   2014-01-05   
870-568 3 Arkadelphia AR   348F ONVOY, LLC - AR 528   2016-03-10   
870-568 4 Arkadelphia AR   348F ONVOY, LLC - AR 528   2018-09-20   
870-568 8 Arkadelphia AR   348F ONVOY, LLC - AR 528   2018-09-20   
870-568 9 Arkadelphia AR   073H TELNYX LLC 528   2018-11-02   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.